Home / 15,403.44-23,076.88-13,743.12

Finding the Fourth Proportional to 15,403.44, 23,076.88 and 13,743.12

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Solution

The fourth proportional to 15,403.44, 23,076.88 and 13,743.12 is: 20,589.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,403.44 : 23,076.88 = 13,743.12 : x
  2. Step 2: Convert to fraction form
    15,403.44/23,076.88 = 13,743.12/x
  3. Step 3: Cross multiply
    15,403.44x = 23,076.88 × 13,743.12
  4. Step 4: Simplify right side
    15,403.44x = 317,148,331.07
  5. Step 5: Solve for x
    x = 317,148,331.07/15,403.44
  6. Step 6: Final answer
    x = 20,589.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.